phylum Arthropoda vs Animalia

phylum Arthropoda and Animalia both are nouns.

Word	Noun	Adjective	Verb	Adverb
phylum Arthropoda	Yes	No	No	No
Animalia	Yes	No	No	No

phylum Arthropoda (noun)	Animalia (noun)
jointed-foot invertebrates: arachnids, crustaceans, insects, millipedes, centipedes	taxonomic kingdom comprising all living or extinct animals